Operational quantities

Antonio Martinón

Commentationes Mathematicae Universitatis Carolinae (1997)

  • Volume: 38, Issue: 3, page 471-484
  • ISSN: 0010-2628

Abstract

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In this paper we consider maps called operational quantities, which assign a non-negative real number to every operator acting between Banach spaces, and we obtain relations between the kernels of these operational quantities and the classes of operators of the Fredholm theory.

How to cite

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Martinón, Antonio. "Operational quantities." Commentationes Mathematicae Universitatis Carolinae 38.3 (1997): 471-484. <http://eudml.org/doc/22281>.

@article{Martinón1997,
abstract = {In this paper we consider maps called operational quantities, which assign a non-negative real number to every operator acting between Banach spaces, and we obtain relations between the kernels of these operational quantities and the classes of operators of the Fredholm theory.},
author = {Martinón, Antonio},
journal = {Commentationes Mathematicae Universitatis Carolinae},
keywords = {operational quantities; Fredholm theory; Fredholm theory; strictly singular operator; upper semi-Fredholm operator},
language = {eng},
number = {3},
pages = {471-484},
publisher = {Charles University in Prague, Faculty of Mathematics and Physics},
title = {Operational quantities},
url = {http://eudml.org/doc/22281},
volume = {38},
year = {1997},
}

TY - JOUR
AU - Martinón, Antonio
TI - Operational quantities
JO - Commentationes Mathematicae Universitatis Carolinae
PY - 1997
PB - Charles University in Prague, Faculty of Mathematics and Physics
VL - 38
IS - 3
SP - 471
EP - 484
AB - In this paper we consider maps called operational quantities, which assign a non-negative real number to every operator acting between Banach spaces, and we obtain relations between the kernels of these operational quantities and the classes of operators of the Fredholm theory.
LA - eng
KW - operational quantities; Fredholm theory; Fredholm theory; strictly singular operator; upper semi-Fredholm operator
UR - http://eudml.org/doc/22281
ER -

References

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  15. Schechter M., Whitley R., Best Fredholm perturbation theorems, Studia Math. 90 (1988), 175-190. (1988) Zbl0611.47010MR0959522
  16. Sedaev A.A., The structure of certain linear operators (in Russian), Mat. Issled. 5 (1970), 166-175. MR 43#2540; Zbl 247#47005. (1970) MR0276800
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